In 1410 Feb 5, Abbas et Conventus Monasterii Cestriae (abbot of Chester) was granted, by Henry IV, (In year 11 of his reign) a Confirmation licence to crenellate Sutton (Sutton Hall)

"Inspeximus and confirmation of letters patent dated 18 March, 22 Richard II, granting licence for the abbot and convent of Chester to crenellate their manors (manerium) of Salghton, Sutton and Ins."

Granted at Westminster, by For 13s. 4d. paid in the hanaper.

Parker footnotes "This entry on the Patent Rolls is a writ of Inspeximus, confirming a previous grant by King Richard II. on the 18th of May (sic actually March), anno 22 Ric. II. The previous grant is recited: and for this Inspeximus the Abbot and Convent paid a fee of 13s. 4d. into the Hanaper."

Original source is

• Calendar of Patent Rolls (1408-13) p160

(In fact, the original source given is usually a transcription/translation of what are precious medieval documents not readily availably. It should be noted that these transcription/translations often date to the nineteenth or early twentieth centuries and that unwitting bias of transcribers may affect the translation. Care should also be taken to avoid giving modern meaning to the medieval use of certain stock words and terms.)

Significant later source are;

• Turner, T.H. and Parker, J.H., 1859, Some account of Domestic Architecture in England (Oxford) Vol3 pt2 p219, 421

More details about licences to crenellate can be found here.

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